Sphalerite

Sphalerite — fluorescent almost any color, most often under longwave UV light.

Considering here also schalenblende, a mix of multiple sulfides: marcasite, pyrite, galena, and wurtzite.

Fluorescence under longwave UV light.

Fluorescent sphalerite in my collection:

Feb 1, 2026

A common mix of calcite, sphalerite, and willemite from the Sterling Mine, but with an unusual...

Dec 14, 2020

Rough piece of orange/brown sphalerite/schalenblende intermixed with white dolomite. The...

The best midwave mineral: agrellite! Very typical, bright pink fluorescence under shortwave and...

Anthophyllite.SC301 – Anthophyllite, Clino-suenoite, and Tremolite from the International Talc...

AragoniteSC343 – Aragonite from Sant’Agostino di Coli, Emilia-Romagna, ItalyFluorescence under...

Baratovite: a rare mineral, fluorescence bright blue under shortwave UV light.Fluorescence under...

BaryteSC1112 – Baryte from the Meikle Mine, Nevada, USAFluorescence under longwave UV light.Normal...

Calcite is, perhaps, one of the most colorful mineral under UV light. It can fluoresce virtually...

Carpathite, also known as Karpatite, is one of the few organic minerals. It is chemically...

Celestine typically fluoresces white or bluish white. Best under longwave UV light. Usually also...

Cerussite, quite often fluorescent yellow under longwave UV light. But not always!SC302 – Fluorite...

Typically green fluorescence, best under shortwave UV, but may glow nicely under mid or long wave...